Door closing control method for waterproof door of battery swap system

Abstract

The application discloses a waterproof door closing control method of a battery replacing system, and is used for a battery replacing system with an unlocking detection reset device. The unlocking detection reset device comprises a driving mechanism, a battery connecting device, an unlocking device arranged on the battery connecting device, and an unlocking detection device arranged on the battery connecting device. The driving mechanism is used for driving the battery connecting device, so that the unlocking device unlocks the locking device at the battery end. The control method comprises the following steps: controlling the driving mechanism to drive the battery connecting device to retreat to an unlocking position along a preset first direction; and controlling the driving mechanism to drive the battery connecting device to continue to retreat by a preset distance, so that the waterproof door is closed. According to the application, the battery connecting device does not contact the waterproof door any more, pressure or friction force on the waterproof door is avoided, the obstruction of the waterproof door closing is reduced, the waterproof door is conveniently and smoothly moved to the closed position, the efficiency and accuracy of the closing are improved, and the battery replacing efficiency is improved.

Description

Technical Field

[0001] This invention belongs to the field of ship battery swapping technology, and particularly relates to a method for controlling the closing of a waterproof door in a battery swapping system. Background Technology

[0002] Currently, since inland river ports do not have the basic conditions for building charging piles, the ship battery swapping solution has become the main technical route, which involves building charging stations about 3 kilometers away from the port and using vehicles to deliver batteries over short distances.

[0003] Currently, the lifting doors at the container end are closed using locking devices, enabling battery swapping operations even in adverse weather conditions without the risk of insulation failure due to exposed electrode heads. However, when the lifting doors at both the container end and the battery connection equipment end need to be opened, friction occurs between the battery connection equipment and the lifting door during the closing process. This friction can cause difficulties in closing the doors and misalignment, leading to low battery swapping efficiency. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to overcome the defects of the existing battery swapping system, in which the battery connection device comes into contact with the lifting door during the closing process, and friction is formed between the battery and the lifting door, which easily leads to difficulty in closing the door and also makes it difficult to align, resulting in low battery swapping efficiency. The present invention provides a waterproof door closing control method for a battery swapping system.

[0005] The present invention solves the above-mentioned technical problems through the following technical solution:

[0006] This invention provides a method for controlling the closing of a waterproof door in a battery swapping system. The method is used in a battery swapping system with an unlocking detection and reset device. The unlocking detection and reset device includes a drive mechanism, a battery connection device, an unlocking device disposed on the battery connection device, and an unlocking detection device disposed on the battery connection device. The drive mechanism drives the battery connection device to unlock the locking device at the battery end. The control method includes the following steps:

[0007] The control drive mechanism drives the battery connection device to retract to the unlock position along a preset first direction. The unlock position is the position of the battery connection device when the unlocking device unlocks the locking device at the battery end.

[0008] The control drive mechanism drives the battery-connected device to continue retracting a preset distance so that the waterproof door can close.

[0009] In this solution, during the closing process of the waterproof door, the battery connection device is first driven to retract to the unlocked position along a preset first direction, and then the battery connection device is further driven to continue retracting a preset distance. This allows the battery connection device to no longer contact the waterproof door, avoiding pressure or friction on the waterproof door, reducing the obstruction to the closing of the waterproof door, facilitating the smooth movement of the waterproof door to the closed position, improving the efficiency and accuracy of closing, and thus improving the battery swapping efficiency.

[0010] Preferably, the waterproof door is installed vertically;

[0011] The default first direction is horizontal.

[0012] In this design, the waterproof door is set vertically, and the battery connection device is moved horizontally to separate from the waterproof door. This allows the waterproof door to move to the closed position under gravity, saving energy and facilitating the free fall of the waterproof door. It also ensures that the battery connection device has no clamping force relative to the waterproof door, improving the efficiency and accuracy of closing the door, thereby increasing the battery swapping efficiency.

[0013] Preferably, the preset distance is 5 to 10 mm.

[0014] In this design, the distance the drive battery connection device continues to retract is 5-10mm. This creates sufficient space between the battery connection device and the waterproof door to facilitate the movement of the waterproof door.

[0015] Preferably, before the control drive mechanism drives the battery connection device to retract to the unlocked position along a preset first direction, the control method further includes the following steps:

[0016] The control drive mechanism drives the battery connection device to approach the battery end to reach the unlock position, obtains the unlock signal from the unlock detection device, and records the current position as the unlock position.

[0017] In this solution, the control drive mechanism drives the battery connection device to approach the battery end to reach the unlock position, obtains the unlock signal from the unlock detection device, and records the current position as the unlock position. This can provide accurate position information for driving the battery connection device to retract to the unlock position during the subsequent door closing process.

[0018] Preferably, after the control drive mechanism drives the battery connection device to approach the battery end to reach the unlock position, obtains the unlock signal from the unlock detection device, and records the current position as the unlock position, before the control drive mechanism drives the battery connection device to retract to the unlock position along a preset first direction, the control method further includes:

[0019] The control unlocking device unlocks the waterproof door at the battery end.

[0020] In this solution, after the drive battery connection device approaches the battery end to reach the unlock position, the unlocking device is controlled to unlock the waterproof door on the battery end, which facilitates subsequent electrical connection and other related operations.

[0021] Preferably, after the control unlocking device unlocks the waterproof door at the battery end, and before the control drive mechanism drives the battery connection device to retract to the unlocked position along a preset first direction, the control method further includes: opening the waterproof door.

[0022] In this solution, unlocking the waterproof door on the battery side and then opening the waterproof door facilitates subsequent electrical connections and other related operations.

[0023] Preferably, the method further includes an opening detection device disposed on the waterproof door and the battery connection device. After the unlocking device unlocks the waterproof door at the battery end, and before the drive mechanism drives the battery connection device to retract to the unlocked position in a preset first direction, the control method further includes:

[0024] Receive the signal from the door opening detection device indicating that the waterproof door has been opened.

[0025] In this solution, the door opening detection device detects the open status of the waterproof door. After the waterproof door is fully opened, a signal for opening the waterproof door is generated. By obtaining the signal for opening the waterproof door, it can be determined that the waterproof door is fully opened, and then subsequent operations can be carried out to avoid misoperation and safety hazards.

[0026] Preferably, after the waterproof door is opened, or after receiving a signal from the door opening detection device indicating that the waterproof door is open, before controlling the drive mechanism to drive the battery connection device back to the unlocked position in a preset first direction, the control method further includes:

[0027] The drive mechanism drives the battery connection device to continue moving toward the battery end to establish an electrical connection with the battery end.

[0028] In this solution, after receiving a signal indicating that the waterproof door is open and confirming that the waterproof door is fully open, the battery connection device is driven to continue moving towards the battery end to establish an electrical connection with the battery end, which can improve the safety of the electrical connection operation.

[0029] Preferably, the unlocking device is equipped with an electrical connection detection device, and the drive mechanism drives the battery connection device to continue moving towards the battery end to establish an electrical connection with the battery end, specifically including:

[0030] The drive mechanism drives the battery connection device to continue moving toward the battery end. When the battery connection device is in the electrical connection position, the electrical connection detection device is triggered.

[0031] If the electrical connection detection device receives the electrical connection in place signal, it is determined that the battery connection device and the battery are electrically connected.

[0032] In this solution, by triggering the electrical connection detection device and obtaining the electrical connection in place signal from the electrical connection detection device, it can be determined that the battery connection device and the battery are electrically connected, thereby improving the safety and accuracy of the electrical connection operation.

[0033] Preferably, the unlocking device includes an elastic element, a sliding platform on which a battery connection device is mounted, and an unlocking rod. An electrical connection detection device is disposed on the sliding platform. The two ends of the elastic element abut against the unlocking rod and the sliding platform respectively and are used to apply a force along the docking direction of the battery connection device. When it is determined that the battery connection device has started to establish an electrical connection with the battery end, the sliding platform moves in the opposite direction of a preset first direction, causing the unlocking rod to compress the elastic element, and the electrical connection detection device is triggered by the unlocking rod.

[0034] In this design, the aforementioned structural form ensures successful docking of the docking device on the sliding platform, significantly improving the safety and stability of the unlocking device. Furthermore, after unlocking is complete, the unlocking lever is automatically reset to its initial position via an elastic element, facilitating the next unlocking operation.

[0035] Preferably, the control drive mechanism drives the battery connection device to retract to the unlocked position along a preset first direction, specifically including:

[0036] The drive mechanism drives the battery connection device to retract to the unlocked position along a preset first direction to disconnect the electrical connection between the battery connection device and the battery.

[0037] In this solution, the drive mechanism drives the battery connection device to retract to the unlock position along a preset first direction to disconnect the electrical connection between the battery connection device and the battery end, which can improve the stability and safety of the battery swapping operation.

[0038] Preferably, the unlocking device includes a sliding platform with a battery connection device and an unlocking lever connected to the sliding platform;

[0039] The control unlocking device unlocks the waterproof door on the battery side, specifically including:

[0040] The drive mechanism drives the sliding platform to move along the docking direction of the battery connection device, thereby moving the unlocking lever and applying force to the locking device at the battery end to unlock the locking device.

[0041] In this solution, the drive mechanism drives the sliding platform to move along the docking direction of the battery connection device, thereby moving the unlocking rod and applying force to the locking device at the battery end to unlock the locking device, which can improve the stability and safety of the unlocking operation.

[0042] Preferably, when unlocking is successful, the unlocking lever is driven forward by the drive mechanism and moves on the sliding platform in the direction opposite to the docking direction of the battery connection device. When the unlocking lever reaches the electrical connection position, the electrical connection detection device is triggered.

[0043] In this solution, when the unlocking lever reaches the electrical connection position, the electrical connection detection device is triggered, which can improve the accuracy of electrical connection detection.

[0044] Preferably, the unlocking device includes an elastic element, the two ends of which abut against the unlocking rod and the sliding platform respectively and are used to provide a force to the unlocking rod in the direction of the locking device. When the unlocking rod is unlocked, the elastic element is compressed by a force in the opposite direction of the docking device, causing the unlocking rod to move in the opposite direction of the locking device to the unlocking position to trigger the unlocking detection device.

[0045] In this design, the aforementioned structural form ensures successful docking of the docking device on the sliding platform, significantly improving the safety and stability of the unlocking device. Furthermore, after unlocking is complete, the unlocking rod's reset via an elastic element facilitates triggering the electrical connection detection device, enabling subsequent unlocking operations.

[0046] Preferably, the outer peripheral surface of the unlocking lever has an outwardly extending protrusion, and the two ends of the elastic element abut against the protrusion and the sliding platform, respectively.

[0047] In this solution, the above-mentioned structural form is adopted. The protrusion facilitates the elastic element to apply a force along the docking direction of the docking device to the unlocking rod; at the same time, the structure is simple and very convenient to process and manufacture.

[0048] Preferably, the elastic element is a compression spring, which is sleeved on the unlocking rod, and the battery connection device is a ship-end electrical connection device or a charging / swapping station-end electrical connection device.

[0049] In this design, the aforementioned structural form provides the compression spring with high elasticity and good performance, allowing it to easily return to its original shape after external force is removed. Simultaneously, it prevents the compression spring from shifting or misaligning during use, further improving the stability of the unlocking device.

[0050] The positive and progressive effects of this invention are as follows: In this solution, during the closing process of the waterproof door, the battery connection device is first driven to retract to the unlocked position along a preset first direction, and then the battery connection device is further driven to continue to retract a preset distance. This allows the battery connection device to no longer contact the waterproof door, avoiding pressure or friction on the waterproof door, reducing the obstruction to closing the waterproof door, facilitating the smooth movement of the waterproof door to the closed position, improving the efficiency and accuracy of closing, and thus improving the battery swapping efficiency. Attached Figure Description

[0051] Figure 1 This is a flowchart of the waterproof door closing control method of the battery swapping system according to Embodiment 1 of the present invention.

[0052] Figure 2 This is a schematic diagram of the structure of the battery swapping system according to Embodiment 1 of the present invention, which describes the waterproof door closing control method of the battery swapping system.

[0053] Figure 3 This is a flowchart of the waterproof door closing control method of the battery swapping system according to Embodiment 2 of the present invention.

[0054] Figure 4 This is a schematic diagram of the unlocking device of the waterproof door closing control method of the battery swapping system according to Embodiment 2 of the present invention from one perspective during use.

[0055] Figure 5 This is a schematic diagram of the unlocking device of the waterproof door closing control method of the battery swapping system according to Embodiment 2 of the present invention from another perspective during use.

[0056] Figure 6 This is a schematic diagram of the unlocking device of the waterproof door closing control method of the battery swapping system according to Embodiment 2 of the present invention.

[0057] Figure 7 for Figure 6 A magnified view of part A in the middle.

[0058] Figure 8 This is a partial internal structural diagram of the unlocking device of the waterproof door closing control method of the battery swapping system according to Embodiment 2 of the present invention.

[0059] Figure 9 This is a flowchart of the waterproof door closing control method of the battery swapping system according to Embodiment 3 of the present invention.

[0060] Figure 10 This is a schematic diagram of the opening detection device of the waterproof door closing control method of the battery swapping system according to Embodiment 3 of the present invention. Detailed Implementation

[0061] The present invention will be further illustrated by way of embodiments below, but the present invention is not limited to the scope of the embodiments described herein.

[0062] Example 1

[0063] This embodiment provides a method for controlling the closing of a waterproof door in a battery swapping system. This control method is used in a battery swapping system with an unlocking detection and reset device. The unlocking detection and reset device includes a drive mechanism, a battery connection device, an unlocking device disposed on the battery connection device, and an unlocking detection device disposed on the battery connection device. The drive mechanism drives the battery connection device to unlock the locking device at the battery end. (Refer to...) Figure 1 The control method includes the following steps:

[0064] Step S1: Control the drive mechanism to drive the battery connection device back to the unlocked position along a preset first direction. The unlocked position is the position of the battery connection device when the unlocking device unlocks the locking device at the battery end.

[0065] Step S2: Control the drive mechanism to drive the battery connection device to continue retracting a preset distance so that the waterproof door can close.

[0066] In specific implementation, refer to Figure 2 The waterproof door is set vertically along the Y direction, with the preset first direction being horizontal. With the waterproof door vertically positioned, the drive battery connection device 7 moves horizontally to separate from the waterproof door. This allows the waterproof door to move to the closed position under gravity, saving effort and improving the efficiency and accuracy of closing, thereby increasing battery swapping efficiency.

[0067] In some optional embodiments, the preset distance is 5-10 mm. The battery connection device continues to retract by a distance of 5-10 mm. This creates sufficient space between the battery connection device and the waterproof door, allowing the waterproof door to close freely without applying pressure to the battery connection device relative to it. It also facilitates maintaining the electrical connection between the battery connection device and the battery. In one optional embodiment, the preset distance is 6 mm.

[0068] In some alternative implementations, a drive motor can be used to control the drive mechanism to move the battery-connected device. In other alternative implementations, an external chip or processor can be used to control the drive mechanism to move the battery-connected device.

[0069] In one optional embodiment, the waterproof door corresponding to the waterproof door closing control method of the battery swapping system in this embodiment is the first waterproof door 11 of the battery connection device 7. In another optional embodiment, the waterproof door corresponding to the waterproof door closing control method of the battery swapping system in this embodiment is the second waterproof door 81 of the battery end 8. In yet another optional embodiment, the waterproof door corresponding to the waterproof door closing control method of the battery swapping system in this embodiment is both the waterproof door 11 of the battery connection device 7 and the second waterproof door 81 of the battery end 8.

[0070] As an alternative implementation, the battery end 8 is located at the container end.

[0071] According to the waterproof door closing control method of the battery swapping system in this embodiment, during the closing process of the waterproof door, the battery connection device is first driven to retract to the unlocked position along a preset first direction, and then the battery connection device is further driven to continue to retract a preset distance. This can prevent the battery connection device from contacting the waterproof door, avoid creating pressure or friction on the waterproof door, reduce the obstruction to the closing of the waterproof door, facilitate the smooth movement of the waterproof door to the closed position, improve the efficiency and accuracy of closing, and thus improve the battery swapping efficiency.

[0072] Example 2

[0073] Based on Example 1, this example provides a method for controlling the closing of a waterproof door in a battery swapping system. (Refer to...) Figure 3 The waterproof door closing control method of this battery swapping system includes the following steps:

[0074] Step S101: Control the drive mechanism to drive the battery connection device to approach the battery end to reach the unlock position, obtain the unlock signal from the unlock detection device, and record the current position as the unlock position.

[0075] Step S102: Control the unlocking device to unlock the waterproof door at the battery end.

[0076] Step S103: Open the waterproof door.

[0077] Step S104: The drive mechanism drives the battery connection device to continue moving towards the battery end to achieve electrical connection with the battery end.

[0078] Step S1: Control the drive mechanism to drive the battery connection device to retract to the unlock position along the preset first direction.

[0079] Step S2: Control the drive mechanism to drive the battery connection device to continue retracting a preset distance so that the waterproof door can close.

[0080] Reference Figure 4 to Figure 8 The unlocking device includes a driving component 1, an unlocking rod 2, and a sliding platform 3 on which a docking device 10 is mounted. The unlocking rod 2 is connected to the sliding platform 3. The driving component 1 drives the sliding platform 3 to move along the docking direction of the docking device 10, thereby moving the unlocking rod 2 and applying force to the unlocking position of the locking mechanism at the battery end to unlock the locking mechanism. The unlocking device also includes an unlocking detection device 63, which detects whether the detection position of the unlocking rod 2 has moved to the unlocking position.

[0081] The driving component 1 drives the sliding platform 3 to move along the docking direction of the docking device 10, and also drives the unlocking rod 2 to move along the docking direction of the docking device 10. This causes the unlocking rod 2 to apply force to the unlocking position of the locking mechanism, thereby unlocking it. After unlocking, the driving component 1 continues to drive the unlocking rod 2 to move closer to the locking mechanism. Once the unlocking rod 2 reaches its maximum position, it cannot move forward further and will compress the elastic element 4. This compression creates a relative displacement between the unlocking detection device 63 and the unlocking rod 2, allowing the unlocking detection device 63 to detect the position of the unlocking rod 2 and determine whether it has moved to the unlocking position. By driving the unlocking rod 2 along a predetermined direction using the driving component 1, very high unlocking accuracy is achieved. Simultaneously, the compression of the elastic element 4 drives the unlocking rod 2 to move relative to the unlocking detection device 63, which detects whether the unlocking rod 2 has moved to the unlocking position. This ensures precise control of the unlocking process, avoids misoperation, improves unlocking efficiency, and significantly enhances safety and stability.

[0082] The unlocking detection device 63 includes a detection element 22 and a detection unit 21. The detection element 22 is located at the detection position of the unlocking rod 2, and the detection unit 21 is located at the unlocking position of the sliding platform 3. When the detection element 22 moves to the unlocking position, the detection element 22 triggers the detection unit 21 to detect unlocking.

[0083] The driving component 1 drives the sliding platform 3 to move towards the locking mechanism, which in turn moves the unlocking lever 2 towards the locking mechanism. This causes the unlocking lever 2 to apply force to the unlocking position of the locking mechanism, thus unlocking it. The detection element 22 is positioned at the detection position of the unlocking lever 2, and the detection unit 21 is positioned at the unlocking position of the sliding platform 3. After the unlocking lever 2 reaches its maximum position, both the unlocking lever 2 and the detection element 22 will be unable to move forward. The sliding platform 3 and the detection unit 21 will continue to move towards the locking mechanism, allowing the detection element 22 to trigger the detection unit 21 to detect unlocking. The detection unit 21 and the detection element 22 accurately detect whether the unlocking lever 2 has moved to the unlocking position, greatly improving the safety and stability of the unlocking detection device during the detection process and achieving precise control of the unlocking process. Furthermore, the fully automated and precise control eliminates the need for manual adjustments, improving unlocking efficiency.

[0084] The sliding platform 3 has an oblong hole, and the detection unit 21 is disposed within the oblong hole. This allows the detection unit 21 to be adjusted to a specific position on the sliding platform 3, ensuring higher detection accuracy.

[0085] The detection unit 21 is a proximity switch. Proximity switches enable fast response, stable and reliable operation, and a long service life.

[0086] After the locking mechanism is unlocked, the second waterproof door on the battery end will open, exposing the electrical connection device on the battery end. The docking device 10 on the sliding platform 3 will move along the docking direction to successfully dock with the electrical connection device. The docking of the docking device 10 is achieved simultaneously with the unlocking of the locking mechanism via the unlocking rod 2, improving the efficiency of the battery swapping equipment. At the same time, the driving component 1 drives the unlocking rod 2 to move in a predetermined direction, achieving very high unlocking accuracy, effectively avoiding misoperation, and greatly improving safety and stability.

[0087] The unlocking device includes an elastic element 4, with its two ends abutting against the unlocking rod 2 and the sliding platform 3 respectively, and applying a force to the unlocking rod 2 along the docking direction of the docking device 10. After the locking mechanism is successfully unlocked, the driving component 1 will continue to drive the sliding platform 3 and the unlocking rod 2. After the unlocking rod 2 abuts to the top, it will be unable to move along the docking direction of the docking device 10. Through the compression deformation of the elastic element 4, the unlocking rod 2 will remain stationary while the sliding platform 3 continues to move, ensuring successful docking of the docking device 10 on the sliding platform 3, greatly improving the safety and stability of the unlocking device. At the same time, after the unlocking is completed, the elastic element 4 will facilitate the reset of the unlocking rod 2 to its initial position for the next unlocking operation.

[0088] In this design, the preload of the elastic element 4 is greater than the pressure required to unlock the locking mechanism. After reaching the unlocking position of the locking mechanism, the unlocking rod 2 will continue to move. Because the preload of the elastic element 4 is greater than the pressure required to unlock the locking mechanism, the unlocking rod 2 will apply sufficient pressure to the locking mechanism to ensure unlocking, thus improving the stability of the unlocking device.

[0089] The docking device 10 is located at the top of the sliding platform 3, while the driving component 1 and the unlocking lever 2 are both located at the bottom of the docking device 10. The docking device 10 includes at least an electrical connector. After the unlocking lever 2 unlocks the locking mechanism, the electrical connector will connect to the electrical connection device at the battery end. By placing the docking device 10 at the top of the sliding platform 3 and the driving component 1 and unlocking lever 2 at the bottom of the docking device 10, interference between the driving component 1 and unlocking lever 2 and the docking device 10 is effectively avoided. At the same time, the space below and above the sliding platform 3 is fully utilized, resulting in a more compact structure and high space utilization.

[0090] The outer peripheral surface of the unlocking rod 2 has an outwardly extending protrusion 21, and the two ends of the elastic member 4 abut against the protrusion 21 and the sliding platform 3 respectively. The elastic member 4 will exert abutment force on the protrusion 21, and the protrusion 21 facilitates the elastic member 4 to apply a force to the unlocking rod 2 along the docking direction of the docking device 10; at the same time, the structure is simple and very convenient to process and manufacture.

[0091] The elastic element 4 is a compression spring, which is sleeved on the unlocking rod 2. The compression spring has high elasticity and good performance, and easily returns to its original shape after the external force is removed. At the same time, the compression spring sleeved on the unlocking rod 2 prevents the compression spring from shifting or misaligning during use, further improving the stability of the unlocking device.

[0092] In a specific implementation, taking the drive motor as an example, according to step S101, the drive motor controls the drive mechanism to drive the battery connection device 7 to approach the battery end 8 in the direction indicated by arrow X (horizontal direction) to reach the unlock position, obtain the unlock signal from the unlock detection device, and record the current position as the unlock position. In an optional implementation, the drive mechanism is controlled to drive the battery connection device to approach the battery end to reach the unlock position, obtain the unlock signal from the unlock detection device, and record the current position as the unlock position.

[0093] Then, according to step S102, the unlocking device is controlled to unlock the waterproof door at the battery end.

[0094] As an optional implementation, the unlocking device includes an elastic element, a sliding platform on which a battery connection device is mounted, and an unlocking rod. An electrical connection detection device is disposed on the sliding platform. The two ends of the elastic element abut against the unlocking rod and the sliding platform respectively and are used to apply a force along the docking direction of the battery connection device. When it is determined that the battery connection device and the battery end are electrically connected, the sliding platform moves in the opposite direction of a preset first direction, causing the unlocking rod to compress the elastic element, so that the detection part of the unlocking rod is displaced relative to the sliding platform in the first direction, and the electrical connection detection device is triggered by the detection part of the unlocking rod.

[0095] In some alternative implementations, when unlocking is successful, the unlocking lever is driven forward by the drive mechanism and moves on the sliding platform in the direction opposite to the docking direction of the battery connection device. When the unlocking lever reaches the electrical connection position, the electrical connection detection device is triggered.

[0096] In some alternative embodiments, the unlocking device includes an elastic element, the two ends of which abut against the unlocking rod and the sliding platform respectively and are used to provide a force to the unlocking rod in the direction of the locking device. When the unlocking rod is unlocked, the elastic element is compressed by a force in the opposite direction of the docking device, causing the unlocking rod to move in the opposite direction of the locking device to the unlocking position to trigger the unlocking detection device.

[0097] After unlocking the waterproof door, open the waterproof door according to step S103.

[0098] Then, in step S104, the drive mechanism drives the battery connection device to continue moving towards the battery end. The battery connection device is in the electrical connection position, triggering the electrical connection detection device. If the electrical connection in place signal of the electrical connection detection device is obtained, it is determined that the battery connection device and the battery end are electrically connected.

[0099] When the electrical connection needs to be terminated, in step S1, the drive mechanism drives the battery connection device to retract to the unlock position along a preset first direction to disconnect the electrical connection between the battery connection device and the battery.

[0100] Then, in step S2, the control drive mechanism drives the battery connection device to continue retracting a preset distance so that the waterproof door closes.

[0101] Example 3

[0102] This embodiment provides a method for controlling the closing of a waterproof door in a battery swapping system. The method for controlling the closing of the waterproof door in this embodiment is largely the same as that in Embodiment 2. For specific implementation, refer to... Figure 9 After step S102, the following steps are also included:

[0103] Step S1031: Obtain the signal from the door opening detection device indicating that the waterproof door is open.

[0104] In practice, after unlocking the waterproof door, open it. (Refer to...) Figure 10 An opening detection device 121 is provided at the end of the first side of the first waterproof door 11 along the opening direction, and a first detection unit 112 is provided at the beginning of the first side of the first waterproof door 11 along the opening direction. The first side of the first waterproof door 11 corresponds to the first side of the battery connection device 7 in the closed state. When the first waterproof door 11 is raised to the open position, the first detection unit 112 aligns with the opening detection device 121. The opening detection device 121 detects the first detection unit 112, thus determining that the first waterproof door 11 is fully open. The opening detection device 121 then sends an open signal to indicate that the first waterproof door 11 is fully open.

[0105] In some optional embodiments, the second waterproof door 81 opens synchronously with the first waterproof door 11, which can be achieved using a door opening detection device and a corresponding detection unit. In other optional embodiments, a paired door opening detection device and detection unit are provided for the second waterproof door 81, and a paired door opening detection device and detection unit are provided for the first waterproof door 11. After all door opening detection devices detect the corresponding detection unit, a signal to open the waterproof door is sent. Specifically, the door opening detection device uses a contact sensor, and the detection unit is an iron sheet or iron block corresponding to the contact sensor; the door opening detection device uses a Hall sensor, and the detection unit is a magnet corresponding to the Hall sensor. The door opening detection device can also be implemented using other relevant distance sensors.

[0106] According to step S1031, the signal from the door opening detection device indicating that the waterproof door is open is obtained. That is, after confirming that the waterproof door is in place, in step 104, the drive mechanism drives the battery connection device to continue moving towards the battery end to establish an electrical connection with the battery end.

[0107] While specific embodiments of the present invention have been described above, those skilled in the art should understand that these are merely illustrative examples, and the scope of protection of the present invention is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of the present invention, but all such changes and modifications fall within the scope of protection of the present invention.

Claims

1. A method for controlling the closing of a waterproof door in a battery swapping system, used in a battery swapping system with an unlocking detection and reset device, wherein the unlocking detection and reset device includes a drive mechanism, a battery connection device, an unlocking device disposed on the battery connection device, and an unlocking detection device disposed on the battery connection device, wherein the drive mechanism is used to drive the battery connection device to unlock the locking mechanism at the battery end, characterized in that, The control method includes the following steps: The drive mechanism is controlled to drive the battery connection device to retract to the unlock position along a preset first direction. The unlock position is the position of the battery connection device when the unlocking device unlocks the locking mechanism at the battery end. The drive mechanism is controlled to drive the battery connection device to continue retracting a preset distance so that the waterproof door can close.

2. The waterproof door closing control method for the battery swapping system as described in claim 1, characterized in that, The waterproof door is installed vertically; The preset first direction is the horizontal direction.

3. The waterproof door closing control method for the battery swapping system as described in claim 2, characterized in that, The preset distance is 5~10mm.

4. The waterproof door closing control method for the battery swapping system as described in claim 2, characterized in that, Before controlling the drive mechanism to retract the battery connection device to the unlocked position along a preset first direction, the control method further includes the following steps: The drive mechanism is controlled to drive the battery connection device to approach the battery end to reach the unlock position, the unlock signal of the unlock detection device is obtained, and the current position is recorded as the unlock position.

5. The waterproof door closing control method for the battery swapping system as described in claim 4, characterized in that, After controlling the drive mechanism to drive the battery connection device closer to the battery end to reach the unlock position, obtaining the unlock signal from the unlock detection device, and recording the current position as the unlock position, before controlling the drive mechanism to drive the battery connection device back to the unlock position along a preset first direction, the control method further includes: The unlocking device is controlled to unlock the locking mechanism at the battery end.

6. The waterproof door closing control method for the battery swapping system as described in claim 5, characterized in that, After the unlocking device unlocks the locking mechanism at the battery end, and before the driving mechanism drives the battery connection device to retract to the unlocked position along a preset first direction, the control method further includes: opening the waterproof door.

7. The waterproof door closing control method for the battery swapping system as described in claim 6, characterized in that, The method also includes an opening detection device disposed on the waterproof door and the battery connection device. After the unlocking device is controlled to unlock the locking mechanism at the battery end, and before the driving mechanism is controlled to drive the battery connection device to retract to the unlocked position along a preset first direction, the control method further includes: The signal sent by the door opening detection device indicating that the waterproof door is open is obtained.

8. The waterproof door closing control method for the battery swapping system as described in claim 7, characterized in that, After the waterproof door is opened, or after the signal indicating that the waterproof door is opened is received from the door opening detection device, and before the drive mechanism is controlled to drive the battery connection device to retract to the unlocked position along a preset first direction, the control method further includes: The drive mechanism is controlled to drive the battery connection device to continue moving toward the battery end to establish an electrical connection with the battery end.

9. The waterproof door closing control method for the battery swapping system as described in claim 8, characterized in that, The unlocking device is equipped with an electrical connection detection device. The control mechanism drives the battery connection device to continue moving towards the battery terminal to establish an electrical connection with the battery terminal, specifically including: The drive mechanism is controlled to drive the battery connection device to continue moving toward the battery end until the battery connection device is in the electrical connection position, and the electrical connection detection device is triggered. If the electrical connection detection device receives the electrical connection in-place signal, it is determined that the battery connection device and the battery terminal are electrically connected.

10. The waterproof door closing control method for the battery swapping system as described in claim 9, characterized in that, The unlocking device includes an elastic element, a sliding platform on which a battery connection device is mounted, and an unlocking rod. The electrical connection detection device is disposed on the sliding platform. The two ends of the elastic element abut against the unlocking rod and the sliding platform respectively and are used to apply a force to the unlocking rod along the docking direction of the battery connection device. When it is determined that the battery connection device is electrically connected to the battery end, the sliding platform moves in the opposite direction of a preset first direction, causing the unlocking rod to compress the elastic element, and the electrical connection detection device is triggered by the unlocking rod.

11. The waterproof door closing control method for the battery swapping system as described in claim 8, characterized in that, The control of the drive mechanism to drive the battery connection device to retract to the unlocked position along a preset first direction specifically includes: The drive mechanism is controlled to drive the battery connection device to retract along the preset first direction to the unlock position to disconnect the electrical connection between the battery connection device and the battery terminal.

12. The waterproof door closing control method for the battery swapping system as described in claim 9, characterized in that, The unlocking device includes a sliding platform with a battery connection device installed and an unlocking rod, the unlocking rod being connected to the sliding platform; The control of the unlocking device to unlock the locking mechanism at the battery terminal specifically includes: The driving mechanism drives the sliding platform to move along the docking direction of the battery connection device, thereby moving the unlocking rod and applying force to the locking mechanism at the battery end to unlock the locking mechanism.

13. The waterproof door closing control method for the battery swapping system as described in claim 12, characterized in that, When unlocking is successful, the unlocking rod is driven forward by the drive mechanism. The unlocking rod moves on the sliding platform in the direction opposite to the docking direction of the battery connection device. When the unlocking rod reaches the electrical connection position, the electrical connection detection device is triggered.

14. The waterproof door closing control method for the battery swapping system as described in claim 13, characterized in that, The unlocking device includes an elastic element, the two ends of which abut against the unlocking rod and the sliding platform respectively, and are used to provide the unlocking rod with a force in the direction of the locking mechanism. When the locking mechanism is unlocked, the elastic element is compressed by a force opposite to that of the docking device installed on the sliding platform, causing the unlocking rod to move in the opposite direction of the locking mechanism to the unlocking position to trigger the unlocking detection device.

15. The waterproof door closing control method for the battery swapping system as described in claim 14, characterized in that, The outer peripheral surface of the unlocking rod has an outwardly extending protrusion, and the two ends of the elastic member abut against the protrusion and the sliding platform, respectively.

16. The waterproof door closing control method for the battery swapping system as described in claim 14, characterized in that, The elastic element is a compression spring, which is sleeved on the unlocking rod. The battery connection device is a ship-end electrical connection device or a charging / swapping station-end electrical connection device.

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